What is APN and why do I need it?

APN is required for multiple reasons; here are a few:

1. Facilitates connection: Helps phones connect to the service provider’s network.
 
2. Enables essential features: Allows access to network features, such as making calls, sending messages, and using the internet.
 
3. IP address selection: Aids in selecting IP addresses for improved connectivity.
 
4. Applies security measures: Implements security measures to safeguard your phone and data.
 
5. Network compatibility: Ensures that the phone adheres to carrier-specific network requirements.
 
6. Traffic separation: APN can also help separate traffic from other networks, optimizing your mobile experience.